..A number of the interpersonal and experiential disturbances and defense mechanisms that are features of BPD are associated with the traits of affective instability and impulsive aggression among patients with personality disorders...

Anissa Abi-DarghamDepartment of Psychiatry, Columbia University, and New York State Psychiatric Institute, New York, 10032, USABiol Psychiatry 55:1001-6. 2004

..Schizotypal personality disorder (SPD) is a schizophrenia spectrum disorder, genetically related to schizophrenia. The goal of this study was to investigate striatal DA function in patients with SPD...